81991872

素因数分解:

$2^6\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2107

約数の個数: 112

約数和(自身を含む): 251642880

約数和(自身を除く): 169651008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 138, 144, 184, 192, 207, 216, 276, 288, 368, 414, 432, 552, 576, 621, 736, 828, 864, 1104, 1242, 1472, 1656, 1728, 2063, 2208, 2484, 3312, 4126, 4416, 4968, 6189, 6624, 8252, 9936, 12378, 13248, 16504, 18567, 19872, 24756, 33008, 37134, 39744, 47449, 49512, 55701, 66016, 74268, 94898, 99024, 111402, 132032, 142347, 148536, 189796, 198048, 222804, 284694, 297072, 379592, 396096, 427041, 445608, 569388, 594144, 759184, 854082, 891216, 1138776, 1188288, 1281123, 1518368, 1708164, 1782432, 2277552, 2562246, 3036736, 3416328, 3564864, 4555104, 5124492, 6832656, 9110208, 10248984, 13665312, 20497968, 27330624, 40995936, 81991872]

約数ペア:

[(1, 81991872), (2, 40995936), (3, 27330624), (4, 20497968), (6, 13665312), (8, 10248984), (9, 9110208), (12, 6832656), (16, 5124492), (18, 4555104), (23, 3564864), (24, 3416328), (27, 3036736), (32, 2562246), (36, 2277552), (46, 1782432), (48, 1708164), (54, 1518368), (64, 1281123), (69, 1188288), (72, 1138776), (92, 891216), (96, 854082), (108, 759184), (138, 594144), (144, 569388), (184, 445608), (192, 427041), (207, 396096), (216, 379592), (276, 297072), (288, 284694), (368, 222804), (414, 198048), (432, 189796), (552, 148536), (576, 142347), (621, 132032), (736, 111402), (828, 99024), (864, 94898), (1104, 74268), (1242, 66016), (1472, 55701), (1656, 49512), (1728, 47449), (2063, 39744), (2208, 37134), (2484, 33008), (3312, 24756), (4126, 19872), (4416, 18567), (4968, 16504), (6189, 13248), (6624, 12378), (8252, 9936)]